20161559691

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1\times {\mathrm{7549}}^1$

素因数の和:8665

約数の個数: 64

約数和(自身を含む): 36800512000

約数和(自身を除く): 16638952309

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 1087, 2457, 3261, 7549, 7609, 9783, 14131, 22647, 22827, 29349, 42393, 52843, 67941, 68481, 98137, 98917, 127179, 158529, 203823, 205443, 294411, 296751, 381537, 475587, 686959, 883233, 890253, 1426761, 2060877, 2649699, 2670759, 6182631, 8205763, 18547893, 24617289, 57440341, 73851867, 106674919, 172321023, 221555601, 320024757, 516963069, 746724433, 960074271, 1550889207, 2240173299, 2880222813, 6720519897, 20161559691]

約数ペア:

[(1, 20161559691), (3, 6720519897), (7, 2880222813), (9, 2240173299), (13, 1550889207), (21, 960074271), (27, 746724433), (39, 516963069), (63, 320024757), (91, 221555601), (117, 172321023), (189, 106674919), (273, 73851867), (351, 57440341), (819, 24617289), (1087, 18547893), (2457, 8205763), (3261, 6182631), (7549, 2670759), (7609, 2649699), (9783, 2060877), (14131, 1426761), (22647, 890253), (22827, 883233), (29349, 686959), (42393, 475587), (52843, 381537), (67941, 296751), (68481, 294411), (98137, 205443), (98917, 203823), (127179, 158529)]